Stick it out, and realise that you'll never find something that is both good and gives you time to work slowly/recharge/think things out.
Truth. There is always stress, because stress is things needing to be done now. Going in to business and being your own boss? Stressful as hell. Being a creative type who has to create or die? Stressful as hell. Being rich and trying to get richer? Still can be stressful as hell. Being a stay at home parent with kids? Stressful!
As a bit of a silver lining, you do realise after a while what is and isn't important - everything seems important to start with, but then you realise certain tasks aren't as crucial as you thought and you can suggest a few ways to your higher ups that will make things more efficient/easier.
I still struggle with this today, and I'll give you an example that happened just today:
Be me, returning home after 4 days on the road training some salty-as-fuck customer who is trying to drag his business out of 2 million dollars of debt someone else ran up. At the airport security gate, due to TSA being uncoordinated dumbasses, I essentially did not have to unload or take off any of my stuff to get through security, on TSA's orders. "Take nothing out of your bags and put everything in your pockets in your bags. Leave your coats shoes and belts on. It's simple!" the TSA man said.
But they run my laptop bag twice, for some reason. 4 hours later when I'm sitting on the second and last plane to get home, I look in my laptop bag and realize....my fucking laptop isn't there.
It's loaded with all kinds of shit I don't need out in the wild. VPNs. Password vaults. Database access out the whazoo. Our goddamn SVN repository of files. I'm not only fucking LIVID at TSA for jerking me around and causing my laptop to go missing (no one ever told me they were pulling out my laptop to run it and I never saw it come out of security by itself), I'm terrified I might be responsible for a security breach if that gets in to the wrong hands. I'm also embarrassed because if I'm honest, I should have checked even if I didn't have a real reason to. I'm still honestly pissed off about it right now.
I text my boss, my sys admin. Stop by work to drop off my stuff and to talk to them both and the whole time I'm talking....my boss just has that smile on his face that is kind of patronizing. Like, he's just kind of waiting for me to tell my story and be gone. No real opinions. It's not that he's being a dick, I'm just freaked out about something that doesn't concern him all that much. He's used to this from me, how amped up I can get.
So yeah. Learning what's worth stressing out about is a life skill and many people never ever come close to figuring it out in their professional life. If I'm honest with myself, 99% of my stress I think comes from a fear that I'm not doing a good enough job, either in my boss' eyes or my own. And that I'm making big fuckups when I make dumb, thoughtless mistakes. Even after 6 years of employment, I ride myself that hard.
You will always be your harshest critic and the less confidence you have, the harsher you will be on yourself. And the real trap you fall in to is when you tell yourself there's stuff you CAN'T do. I've watched one guy I worked with get so stressed out at a work thing we were doing he threw up in a trashcan and was like "I can't do this." When the truth was, for him, that he couldn't handle the bottom part of the learning curve where things are their most brutal. Hell the poor bastard I was training this week on the software to save this business had a perpetual look of "I don't know if I can do this...." on his face.
It's funny, after embarking on the whole fitness thing and recently watching two brand new players to Dark Souls git gud, it's kind of put a lot of things in perspective lately.
But still, seriously, TSA? Go to hell.